Product Description 2,5-Dihydroxy-1,4-benzoquinone Other Details Molecular Formula: C6H4O4 Molecular Weight: 140.09 CAS Number: 615-94-1 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 25g Leadtime:20 Days